Old Washington is located in Ohio. Old Washington, Ohio has a population of 221. Old Washington is less family-centric than the surrounding county with 22% households with children. The county percentage for households with children is 25%.
The median household income in Old Washington, Ohio is $65,383. The median household income for the surrounding county is $47,118 compared to the national median of $66,222. The median age of people living in Old Washington is 44.8 years.
The average high temperature in July is 85 degrees, with an average low temperature in January of 20.3 degrees. The annual precipitation is 35.31.